Austin gets invited to sing at Jimmy Starr's Halloween Party; Dez and Trish accidentally wipeout Taylor Swift; Ally dresses in Taylor Swift's costume and tries to perform a song with Austin.

Trish's new boyfriend, Trent, auditions for a role as Austin's backup dancer and she decides to keep their relationship a secret from Austin and Ally so as not to influence Team Austin's decision.

Trish books Austin the cover of a popular teen magazine, but when the journalist shows up, everyone realizes Trish has embellished Austin's hobbies, skills and interests. The gang has to find a way to keep the journalist impressed while not getting Austin into trouble.

Ally accidentally gives away all of the instruments in the Sonic Boom so Ally, Austin, Trish and Dez decide to host a fundraiser in order to get the money needed to buy the instruments back. However, when Austin gets grounded for bad grades, the gang is left needing a backup plan.

Trent asks Ally to write him a song so he can be famous like Austin. After Ally refuses to help him, Trent steals her newest song that she worked on with Austin. Later on, the gang discovers that Trent became an overnight sensation by copying Austin's "Double Take" music video and going by the stage name, T-Fame. Trent quickly rises to fame and starts stealing Austin's life. Now, the gang must find a way to take him down.

Austin, Ally, Trish and Dez travel to Times Square where Austin is booked to perform on New Year's Eve. When they couldn't get through New York City's crowded streets, fate brings the gang together with Jessie and Emma who help them get to the top of the building to perform by flying them in a helicopter.

The Austin & Jessie & Ally All Star New Year crossover continues on Jessie S02E06 Nanny in Miami (II).

Austin, Ally, Trish and Dez are excited to make their first big budget music video, but when Kira, a girl with terrible breath, gets hired to play Austin’s love interest, the gang must find a way to finish the video without hurting Kira’s feelings.

Ally, Trish and Dez step in to help when Austin decides he wants to ask Jimmy Starr’s daughter, Kira, out on a date. Ally even agrees to go on a "practice date" with Austin, in order to help him plan out the perfect date for him and Kira. However, trouble and confusion arises when Ally falls for Austin in the process and decides to tell Trish about it.

When Ally’s old summer camp friend Elliott comes to town to pay a visit, he and Ally spend a lot of time catching up and reminiscing about the past. Though Austin is now dating Kira, he suddenly finds himself jealous of Ally’s friendship with Elliott.

When Ally’s mom comes home to host a book release party, Ally works up the courage to finally conquer her stage fright and performs a duet with Austin at the event.

After talking to her mom and Trish about Austin, Ally decides to focus on her music career now that she’s conquered her stage fright. Meanwhile, Austin is unsure about his friendship with Kira.

After Austin, Ally, Trish and Dez find a magical typewriter, it falls into the hands of a thief named Chuck, who uses it to mess with Austin and his friends, doing things such as switching their bodies, making Austin be unable to dance, etc. Will Team Austin be able to stop Chuck before he ruins Austin's career?

Austin and Ally go on their first date and agree to seperate their proffesional relationship from their personal relationship. They end up fighting and being to worreid about their relationship. They break up and remain as friends.

Dez and Trish film their favorite scene from the Zalien's movies for a contest so Team Austin can see the new Zalien's movie early.

Ally is asked to be on a magazine cover, so she goes to Tranquility Spa, where Trish works. But when Trish isn't very good at her job, Ally may be humiliated. Meanwhile, when Dez tries to outdo Chuck in a chilli-making contest, Austin loses Ally's grandma's special necklace.

Ally decides to continue her career, and joins a band known as the Stray Kitties. However, it is a goth band, so Ally has to change who she is and become a goth. She's mostly fine with this change, but Austin, Trish, and Dez are against it, so she decides to quit the band- however they offer her a solo, and she doesn't want to turn it down.

When Ally is busy, Austin tries to write a song for himself instead of relying on Ally.

Jimmy signs his daughter, Kira, as the newest recording artist to his label. When Kira has her first performance, she wants to sing one of Ally's songs, but Ally wants to sing it herself; Austin accidentally records over one of Kira's demos.

Ally is nominated by Jon Paul Paul Jon as a nominee of "The Future Five". Each nominee must post a video of themselves online, but after Jon Paul Paul John says that Ally may not win due to her lack of dancing ability, her friends try to change her original decision to create a dance video. In the end, Ally ends up winning the contest and lets her friends know that she believed in herself. Meanwhile, Dez and Austin try to relax at a fake beach.

Austin writes a song about a girl and after it becomes a musical sensation, fans begin to question who it’s about. In response, Val sues Austin, Ally, Trish and Dez, claiming that the song was stolen from her newest artist and the matter heads to court where the foursome decides to represent themselves.

After being electrocuted from breaking an advanced instrument for the future, Austin is transferred to the future and learns why the regular way of writing songs is important. He then, gets electrocuted again going back in the present day and tells his friends.

Austin helps out one of his old rock 'n' roll heroes.

Austin, Ally and Trish join Dez at a birthday celebration for Dez's younger sister, Didi.

Austin and Ally are asked to be celebrity judges on a singing competition show that is celebrating "Austin Moon Week." Ally takes a contestant under her wing that reminds her of her former, shy self and she and Austin work to make the girl a top contender. Meanwhile, Trish and Dez try and create the most impressive fan signs in an effort to be seen on TV.

When Dez and Trish decide to make a movie about Austin and Ally, they bring up unknown issues in Austin & Ally’s musical partnership that strain the duo’s current friendship. Trish and Dez are left to bring Austin and Ally back together as a team while still finishing their movie.

Ally, Trish and Dez prepare to join Austin on his first national tour. However, after performing as his opening act in Miami, Ally receives an offer to help launch her own music career and is faced with the difficult decision of staying behind or joining her friends on tour.